One way to increase theefficiencyof a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.
For five years now the E2.0 platform provider community has argued the case for collaboration as a new engineof growth and efficiency and the case will be made again next week at Virtual E.20.
In a review ofthe Swedish supercar the Koenigsegg Agera R, I displayed ignorance regarding a common measure of an engine's volumetric efficiency, the Brake Mean Effective Pressure.
And if you want to talk about market dynamics at the pump, then look no further than the increase in demand for hybrid cars, which can increase fuel efficiency over other mid-sized cars with the help of an electric engine.